Results 311 to 320 of about 841,035 (344)

Vitamin e hypervitaminosis in laying hens

Archiv für Tierernaehrung, 1999
The aim of this investigation was to contribute to the problem of overdosing vitamin E. A total of 80 laying hens, divided into 5 groups, were fed diets supplemented with 0, 100, 1000, 10,000 and 20,000 mg/kg vitamin E over a period of 20 weeks within two brooding tests. Laying performance and hatching parameters were registered.
A, Sünder, I, Halle, G, Flachowsky
openaire   +2 more sources

Play in Laying Hens

Dataset for the manuscript 'Fowl play: Do age and aviary design affect play in cage-free laying hens?' Authors: Xiaowen Ma (马晓文), Vrinda Ambike, Valentina Bongiorno, Jacquelyn A. Jacobs, Janice C. Swanson, Tina M. Widowski, Janice M. Siegford The project examined play behavior in cage-free laying hens focusing on effects of age (17-32 weeks of age ...
Ma, Xiaowen, Siegford, Janice
openaire   +1 more source

Corticosteroids in Laying Hens

1980
In the literature adrenal hormones have often been related to stress and sometimes equalised as stress hormones.
openaire   +1 more source

Tetrachlorvinphos metabolism in laying hens

Journal of Agricultural and Food Chemistry, 1981
M H, Akhtar, T S, Foster
openaire   +2 more sources

Prediction of laying hen house odor concentrations using machine learning models based on small sample data

Computers and Electronics in Agriculture, 2022
Yu Liu, Guogiang Zhang, Li Rong
exaly  

CFD modeling of air flow, humidity, CO2 and NH3 distributions in a caged laying hen house with tunnel ventilation system

Computers and Electronics in Agriculture, 2022
yousra Boutera
exaly  

Hens: Egg-laying

Notes and Queries, 1906
openaire   +1 more source

Happy hens lay bigger eggs

British Journal of Plastic Surgery, 2003
openaire   +2 more sources

Improving productive performance and mitigating harmful emissions from laying hen excreta via feeding on graded levels of corn DDGS with or without Bacillus subtilis probiotic

Journal of animal physiology and animal nutrition, 2017
M. A. Abd El-Hack, S. Mahgoub, M. Alagawany, E. Ashour   +3 more
semanticscholar   +1 more source

Utilization of Urea in Laying Hens

Archiv für Tierernaehrung, 1986
K, Gruhn, A, Hennig
openaire   +2 more sources